SecuritySpace - CVE-2019-19813

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CVE ID: CVE-2019-19813

Description: In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.

Test IDs: None available

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2019-19813
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19813
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
https://usn.ubuntu.com/4414-1/

CVE ID:	CVE-2019-19813
Description:	In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-19813 https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19813 https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html https://usn.ubuntu.com/4414-1/